package com.atguigu.facade;

public class TheaterLight {

	private static TheaterLight instance = new TheaterLight();
	
	private TheaterLight() {
		
	}
	
	public static TheaterLight getInstance() {
		return instance;
	}
	
	public void on() {
		System.out.println("TheaterLight on");
	}
	
	public void off() {
		System.out.println("TheaterLight off");
	}
	
	public void dim() {
		System.out.println("TheaterLight dim");
	}
	
	public void bright() {
		System.out.println("TheaterLight bright");
	}
}
